This centuries-old pub boasts a collection of more than 4,500 snippets of neckties from around the world.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

Look closely and you’ll notice that the color changes a third of the way up the tower.

This statue honors the author's groundbreaking family story.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A modernist landscape of water and sci-fi concrete.

Tiki luxury on Nob Hill.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

A walk through the historic city center, under the streets of Seattle.

Try not to get slimed in Tribeca.

An emerald-green grotto just a short trip from Austin.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

An opulent monument built for a duke who donated his entire fortune to the city of Geneva.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

Baroque celebration of the end of the Great Plague of Vienna.

A spherical "micro-nation" in the heart of Vienna.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The footprint of a frustrated devil in Munich's Cathedral.

The prototype for all Nazi concentration camps.

Submerged lava formations create incredible waterworks.